40467536

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{4969}}^1$

素因数の和:5486

約数の個数: 20

約数和(自身を含む): 78575700

約数和(自身を除く): 38108164

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 4969, 8144, 9938, 19876, 39752, 79504, 2529221, 5058442, 10116884, 20233768, 40467536]

約数ペア:

[(1, 40467536), (2, 20233768), (4, 10116884), (8, 5058442), (16, 2529221), (509, 79504), (1018, 39752), (2036, 19876), (4072, 9938), (4969, 8144)]